Antiperspirants and Alzheimer's Disease. Back in the 1960s, a few studies found high levels of aluminum in the brains of people with Alzheimer's disease. The research suddenly called into question the safety of everyday household items such as aluminum cans, antacids, and antiperspirants.
A harmonic drive apparatus comprises a circular spline which has internal spline teeth and which is rotatable around a rotational axis , a flexible cylindrical flexspline which is concentrically disposed within the circular spline and which has external spline teeth , the number of flexspline external teeth being less than the number of internal ...
Harmonic Balancer. A harmonic balancer is a device that is connected to an engineâs crankshaft in order to reduce any vibrationâs negative impact on the crankshaft and to dissipate the energy that shaft rotation creates.tep 2 â Remove the affixing bolts and pull the pulley off of the balancer in order to disconnect the harmonic balancerâs pulley that is attached to the balancer componentâs face. Step 3 â Loosen and remove the harmonic balancerâs single retaining bolt and washer from the center of the device.